
/*
* Superfish v1.4.8 - jQuery menu widget
* Copyright (c) 2008 Joel Birch
*
* Dual licensed under the MIT and GPL licenses:
* 	http://www.opensource.org/licenses/mit-license.php
* 	http://www.gnu.org/licenses/gpl.html
*
* CHANGELOG: http://users.tpg.com.au/j_birch/plugins/superfish/changelog.txt
*/

;(function($){

        $.fn.superfish = function(op){
            
                var sf = $.fn.superfish,
                c = sf.c,
                $arrow = $(['<span class="',c.arrowClass,'"></span>'].join('')),
                over = function(){
                    var $$ = $(this), menu = getMenu($$);
                    clearTimeout(menu.sfTimer);
                    $$.showSuperfishUl().siblings().hideSuperfishUl();
                },
                out = function(){
                    var $$ = $(this), menu = getMenu($$), o = sf.op;
                    clearTimeout(menu.sfTimer);
                    menu.sfTimer=setTimeout(function(){
                            o.retainPath=($.inArray($$[0],o.$path)>-1);
                            $$.hideSuperfishUl();
                            if (o.$path.length && $$.parents(['li.',o.hoverClass].join('')).length<1){over.call(o.$path);}
                        },o.delay);	
                },
                getMenu = function($menu){
                    var menu = $menu.parents(['ul.',c.menuClass,':first'].join(''))[0];
                    sf.op = sf.o[menu.serial];
                    return menu;
                },
                addArrow = function($a){ $a.addClass(c.anchorClass).append($arrow.clone()); };

                return this.each(function() {
                        var s = this.serial = sf.o.length;
                        var o = $.extend({},sf.defaults,op);
                        o.$path = $('li.'+o.pathClass,this).slice(0,o.pathLevels).each(function(){
                                $(this).addClass([o.hoverClass,c.bcClass].join(' '))
                                .filter('li:has(ul)').removeClass(o.pathClass);
                        });
                        sf.o[s] = sf.op = o;

                        $('li:has(ul)',this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over,out).each(function() {
                                if (o.autoArrows) addArrow( $('>a:first-child',this) );
                        })
                        .not('.'+c.bcClass)
                        .hideSuperfishUl();

                        var $a = $('a',this);
                        $a.each(function(i){
                                var $li = $a.eq(i).parents('li');
                                $a.eq(i).focus(function(){over.call($li);}).blur(function(){out.call($li);});
                        });
                        o.onInit.call(this);

                }).each(function() {
                        var menuClasses = [c.menuClass];
                        if (sf.op.dropShadows  && !($.browser.msie && $.browser.version < 7)) menuClasses.push(c.shadowClass);
                        $(this).addClass(menuClasses.join(' '));
                });
            };

            var sf = $.fn.superfish;
            sf.o = [];
            sf.op = {};
            sf.IE7fix = function(){
                var o = sf.op;
                if ($.browser.msie && $.browser.version > 6 && o.dropShadows && o.animation.opacity!=undefined)
                    this.toggleClass(sf.c.shadowClass+'-off');
            };
            sf.c = {
                bcClass     : 'sf-breadcrumb',
                menuClass   : 'sf-js-enabled',
                anchorClass : 'sf-with-ul',
                arrowClass  : 'sf-sub-indicator',
                shadowClass : 'sf-shadow'
            };
            sf.defaults = {
                hoverClass	: 'sfHover',
                pathClass	: 'overideThisToUse',
                pathLevels	: 1,
                delay		: 800,
                animation	: {opacity:'show'},
                speed		: 'normal',
                autoArrows	: true,
                dropShadows : true,
                disableHI	: false,		// true disables hoverIntent detection
                onInit		: function(){}, // callback functions
                onBeforeShow: function(){},
                onShow		: function(){},
                onHide		: function(){}
            };
            $.fn.extend({
                    hideSuperfishUl : function(){
                        var o = sf.op,
                        not = (o.retainPath===true) ? o.$path : '';
                        o.retainPath = false;
                        var $ul = $(['li.',o.hoverClass].join(''),this).add(this).not(not).removeClass(o.hoverClass)
                        .find('>ul').hide().css('visibility','hidden');
                        o.onHide.call($ul);
                        return this;
                    },
                    showSuperfishUl : function(){
                        var o = sf.op,
                        sh = sf.c.shadowClass+'-off',
                        $ul = this.addClass(o.hoverClass)
                        .find('>ul:hidden').css('visibility','visible');
                        sf.IE7fix.call($ul);
                        o.onBeforeShow.call($ul);
                        $ul.animate(o.animation,o.speed,function(){ sf.IE7fix.call($ul); o.onShow.call($ul); });
                        return this;
                    }
            });
        
})(jQuery);
